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Octadecylphosphonic Acid

CAS: 4724-47-4 | C18H39O3P

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 4724-47-4
Molecular Formula: C18H39O3P
Molecular Mass: 334.48 g/mol

Names and Synonyms:

Octadecylphosphonic Acid
Phosphonic acid, P-octadecyl-
Phosphonic acid, octadecyl-
P-Octadecylphosphonic acid
1-Octadecanephosphonic acid
Stearylphosphonic acid
Octadecylphosphonic acid
n-Octadecylphosphonic acid
Octadecanephosphonic acid
ODPA
1-Octadecylphosphonic acid

Identifiers:

SMILES:
CCCCCCCCCCCCCCCCCCP(=O)(O)O
InChI:
InChI=1S/C18H39O3P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22(19,20)21/h2-18H2,1H3,(H2,19,20,21)

Key Properties

Melting Point
98.5-99 °C @ Solvent: Hexane CAS Common Chemistry

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Property Value Source
Molecular Mass 334.48 g/mol CAS Common Chemistry
334.48099999999994 g/mol RDKit
334.26368173799995 g/mol RDKit
Wikipedia Url https://en.wikipedia.org/wiki/Octadecylphosphonic_acid CAS Common Chemistry
Canonical SMILES O=P(O)(O)CCCCCCCCCCCCCCCCCC CAS Common Chemistry
InChI InChI=1S/C18H39O3P/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-22(19,20)21/h2-18H2,1H3,(H2,19,20,21) CAS Common Chemistry
InChI Key InChIKey=FTMKAMVLFVRZQX-UHFFFAOYSA-N CAS Common Chemistry
Melting Point 98.5-99 °C @ Solvent: Hexane CAS Common Chemistry
Name Octadecylphosphonic acid CAS Common Chemistry
Heavy Atom Count 22 RDKit
Hydrogen Bond Acceptors 1 RDKit
Hydrogen Bond Donors 2 RDKit
Rotatable Bonds 17 RDKit
Aromatic Ring Count 0 RDKit
Topological Polar Surface Area 57.53 Ų RDKit
LogP 6.425600000000008 RDKit
Molar Refractivity 96.45710000000007 RDKit

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